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The Penny Pot (MathStart 3) by Stuart J. Murphy
$5.99
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Divide and Ride (MathStart 3) by Stuart J. Murphy
$5.99
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Safari Park (MathStart 3) by Stuart J. Murphy
$5.99
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Lemonade for Sale (MathStart 3) by Stuart J. Murphy
$5.99
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Game Time! (MathStart 3) by Stuart J. Murphy
$5.99
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Perry the Penguin needs 9 clams to buy an ice scooter -- but he's not very good at saving. As Perry earns, spends, finds, loses, and borrows clams, a simple line graph demonstrates the concept of negative numbers.
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